半径的不确定性是，当然不是很大,但是我们不能把半径,确定到1厘米范围内，因此是85加减,1厘米。
The uncertainty of this radius is, of course, not very large but we are not certain about the radius to about one centimeter, so it's 85 plus or minus one centimeters.
开盘区间突破是通过开盘区间上下加减预定的数值范围进行交易。
An opening range breakout is a trade taken at a predetermined amount above or below the opening range.
供试溶液或者液体的温度应该保持在要求数值加减0.5的范围内。
Temperature, which applies to the solution or the liquid under test, should be maintained within 0.5 of the stated value.
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